/*
    1.html结构尽量不要超过5层
    2.html标签多使用公共类样式，样式的组件化
        例：<div class="container fr bg-red"></div>
    3.规定好项目的层级规范
        popout弹出层 90~99
        mask蒙层 70~79
        nav导航层 40~50
        content内容层 0~10
*/
/* 版心 */
.container {
	margin: 0 auto;
	width: 1200px;
}
/* 定位布局 */
.rel {
	position: relative;
}
.abs {
	position: absolute;
}
.fix {
	position: fixed;
}
.fl {
	float: left;
}
.fr {
	float: right;
}
.clear::after {
	display: block;
	content: "";
	height: 0;
	clear: both;
}
/* flex布局 */
.flex-c-c {
	display: flex;
	justify-content: center;
	align-items: center;
}
.flex-c-b {
	display: flex;
	justify-content: center;
	align-items: baseline;
}
.flex-d {
	flex-direction: column;
}
.flex-c-sb {
	display: flex;
	justify-content: space-between;
	align-items: center;
}
.flex-c-se {
	display: flex;
	justify-content: space-evenly;
	align-content: center;
}
.flex-c-s {
	display: flex;
	justify-content: space-evenly;
	align-content: space-between;
}
.c-p {
	cursor: pointer;
}
.b-box {
	box-sizing: border-box;
}
.d-ib {
	display: inline-block;
}
/* margin */
.mt-10 {
	margin-top: 10px;
}
.mb-30 {
	margin-bottom: 30px;
}
.mt-0 {
	margin: 0 auto;
}
/* padding */
.pt-10 {
	padding-top: 10px;
}
.pt-80 {
	padding-top: 80px;
}
/* 背景色 */
.bg-red {
	background-color: red;
}
.bg-blue {
	background-color: #0d60cf;
}
.bg-grey {
	background-color: #f8f9fb;
}
.bg-black {
	background-color: #000;
}
/* 文字 */
.fz-10,
.fz-11,
.fz-12 {
	font-size: 12px;
}
.fz-14 {
	font-size: 14px;
}
.fz-16 {
	font-size: 16px;
}
.fw-bold {
	font-weight: bold;
}
.fc-green {
	color: green;
}
/* 居中 */
.tc {
	text-align: center;
}
/* 文字颜色 */
.fc-gray {
	color: #716666;
}
.fc-black {
	color: #000;
}
.fc-white {
	color: #fff;
}
.fc-red {
	color: red;
}
/* 阴影 */
.b-sh {
	box-shadow: 3px 5px 13px 0px #0d60d0;
}
